CN103576564A - Air conditioner and control circuit and control method thereof - Google Patents
Air conditioner and control circuit and control method thereof Download PDFInfo
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Abstract
The invention discloses an air conditioner and a control circuit and a control method thereof. The control circuit of the air conditioner comprises a main control circuit, a power supply output module and a phase amplitude adjusting circuit, wherein the main control circuit is used for receiving a working signal of a load and detecting the output voltage of the load, and the phase amplitude adjusting circuit is connected between the main control circuit and the power supply output module and is used for adjusting the output voltage of the load according to the load working signal received by the main control circuit, so that the power supply output module provides the working voltage for the load according to the adjusted load output voltage. According to the invention, when the working state of the load changes, the working voltage of the load can be changed by adjusting the output voltage of the load, a switching power supply is not required to output high voltage in real time, and the power consumption of the air conditioner is reduced.
Description
Technical field
The present invention relates to air conditioner field, in particular to a kind of air conditioner and control circuit and control method.
Background technology
Air conditioner is under different working modes, and the required also relevant voltage of load is different, and at present, Switching Power Supply is all exported a higher voltage, when air conditioner changes operational module, after the voltage of Switching Power Supply output is carried out to copped wave, gives corresponding load supplying.Increase so undoubtedly power consumption burden, make the power consumption of air conditioner larger.
For the large problem of air conditioner power consumption in correlation technique, effective solution is not yet proposed at present.
Summary of the invention
Fundamental purpose of the present invention is to provide a kind of air conditioner and control circuit and control method, to solve the problem that air conditioner power consumption is large.
To achieve these goals, according to an aspect of the present invention, provide a kind of control circuit of air conditioner.
According to the control circuit of air conditioner of the present invention, comprise: main control circuit, is connected with the first end of air conditioner load, for detection of the output voltage of load and receive the working signal of the load that air conditioner master chip sends; Phase-amplitude regulating circuit, is connected with main control circuit, for according to the output voltage of working signal regulating load; And power supply output module, first end is connected with phase-amplitude regulating circuit, and the second end of power supply output module is connected with the second end of load, for providing operating voltage according to the load output voltage after regulating to load.
Further, working signal comprises high-pressure work signal and operating on low voltage signal, and wherein, when main control circuit receives high-pressure work signal, phase-amplitude regulating circuit reduces the output voltage of load, so that power supply output module provides working voltage to load; When main control circuit receives operating on low voltage signal, phase-amplitude regulating circuit improves the output voltage of load, so that power supply output module provides work low pressure to load.
Further, power supply output module comprises optocoupler, and phase-amplitude regulating circuit comprises: the first voltage stabilizing diode; The second voltage stabilizing diode, first end is connected with the first end of the first voltage stabilizing diode, the second end of the second voltage stabilizing diode is connected to the first input end of optocoupler, wherein, at the first end of the first voltage stabilizing diode and the first end of the second voltage stabilizing diode, be provided with first node, first node is connected to the output terminal of power supply output module, the second input end grounding of optocoupler; The first switching tube, first end is connected to the second end of the first diode, and the second end of the first switching tube is connected to the second end with the second voltage stabilizing diode; Second switch pipe, first end ground connection, the second end is connected to the 3rd end of the first switching tube; And the 3rd switching tube, first end ground connection, the second end is connected to the 3rd end of second switch pipe, and the second end of the 3rd switching tube is connected to power supply simultaneously, and the 3rd end of the 3rd switching tube is connected to main control circuit.
Further, phase-amplitude regulating circuit also comprises: the first resistance, the first voltage stabilizing diode, the second resistance, the 3rd resistance, the 4th resistance, the 5th resistance, the 6th resistance and the 7th resistance, wherein, the first end of the first switching tube is connected to the second end of the first diode via the first resistance; The second end of second switch pipe is connected to the 3rd end of the first switching tube via the second resistance; The second end of the 3rd switching tube is connected to the 3rd end of second switch pipe via the 3rd resistance, the second end of the 3rd switching tube is connected to power supply via the 4th resistance simultaneously, and the 3rd end of the 3rd switching tube is connected to main control circuit via the 5th resistance; And the second end of the second voltage stabilizing diode is via the 6th resistance and the 7th resistance eutral grounding, is provided with Section Point between the 6th resistance and the 7th resistance, Section Point is connected to the first input end of optocoupler.
Further, power supply output module comprises optocoupler, and phase-amplitude regulating circuit comprises: the 8th resistance; The 9th resistance, first end is connected with the first end of the 8th resistance, wherein, between the first end of the 8th resistance and the first end of the 9th resistance, is provided with the 3rd node, and the 3rd node is connected to the first input end of optocoupler; Phase comparator, first end is connected to the second end of the 9th resistance, and the second end ground connection of phase comparator is provided with the 4th node between the first end of phase comparator and the second end of the 9th resistance, and the 4th node is connected to the second input end of optocoupler; The first electric capacity, first end is connected to the 4th node; The 4th switching tube, first end is connected with the second end of the first electric capacity, and meanwhile, the first end of the 4th switching tube is connected with the second end of the 8th resistance, ground connection after the second end of the 4th switching tube is connected with the 3rd end of phase comparator; The 5th switching tube, first end ground connection, the second end is connected with the 3rd end of the 4th switching tube, and meanwhile, the second end of the 5th switching tube is connected with the second end of the 8th resistance, and the 3rd end of the 5th switching tube is connected to main control circuit.
Further, phase-amplitude regulating circuit also comprises: the tenth resistance, the 11 resistance, the 12 resistance, the 13 resistance, the 14 resistance, the 15 resistance and the 16 resistance, wherein, the first end of the 4th switching tube is connected with the second end of the first electric capacity via the tenth resistance; The first end of the 4th switching tube is connected with the second end of the 8th resistance via the 11 resistance; Between the first end of the 4th switching tube and the second end of the 4th switching tube, be connected with the 12 resistance; The second end of the 4th switching tube is connected with the 3rd end of phase comparator by by the 13 resistance eutral grounding; The second end of the 5th switching tube is connected with the 3rd end of the 4th switching tube via the 14 resistance; The second end of the 5th switching tube is connected with the second end of the 8th resistance via the 15 resistance; And between the 3rd end of the 5th switching tube and main control circuit, the 5th node being set, the 5th node is via the 16 resistance eutral grounding.
Further, the switching tube in phase-amplitude regulating circuit is triode.
To achieve these goals, according to an aspect of the present invention, provide a kind of air conditioner.
Air conditioner according to the present invention comprises the control circuit of any one air conditioner provided by the invention.
To achieve these goals, according to an aspect of the present invention, provide a kind of control method of air conditioner.
According to the control method of air conditioner of the present invention, comprise: the working signal that receives the load of air conditioner master chip transmission; Detect the output voltage of load; According to the working signal regulation output voltage receiving; And to load, provide operating voltage according to the output voltage after regulating.
Further, working signal comprises high-pressure work signal and operating on low voltage signal, wherein, according to the working signal regulation output voltage receiving and according to the output voltage after regulating, to load, provide operating voltage to comprise: when receiving high-pressure work signal, to reduce output voltage and to load, provide working voltage according to the output voltage after regulating; And when receiving operating on low voltage signal, improve output voltage and to load, provide work low pressure according to the output voltage after regulating.
By the present invention, adopt the control circuit of the air conditioner comprise following part: for detection of the output voltage of load and receive the main control circuit of the working signal of the load that master chip sends, phase-amplitude regulating circuit for the output voltage of the working signal regulating load that receives according to main control circuit, and for providing the power supply output module of operating voltage to load according to the load output voltage after regulating, utilize phase-amplitude regulating circuit according to the output voltage of loaded work piece Signal Regulation load, make power supply output module to load, provide operating voltage according to the load output voltage after regulating rather than the actual output voltage of load, can be when loaded work piece state variation, by regulating load output voltage, change loaded work piece voltage, without power supply output module output HIGH voltage all in real time, solved the large problem of air conditioner power consumption, and then reached the effect that reduces air conditioner power consumption.
Accompanying drawing explanation
The accompanying drawing that forms the application's a part is used to provide a further understanding of the present invention, and schematic description and description of the present invention is used for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is according to the theory diagram of the control circuit of the air conditioner of the embodiment of the present invention;
Fig. 2 is according to the wiring schematic diagram of the control circuit of the air conditioner of first embodiment of the invention;
Fig. 3 is according to the elementary diagram of the control circuit of the air conditioner of first embodiment of the invention;
Fig. 4 is according to the wiring schematic diagram of the control circuit of the air conditioner of second embodiment of the invention; And
Fig. 5 is according to the process flow diagram of the control method of the air conditioner of the embodiment of the present invention.
Embodiment
It should be noted that, in the situation that not conflicting, embodiment and the feature in embodiment in the application can combine mutually.Describe below with reference to the accompanying drawings and in conjunction with the embodiments the present invention in detail.
Fig. 1 is according to the theory diagram of the control circuit of the air conditioner of the embodiment of the present invention, and as shown in Figure 1, this control circuit comprises main control circuit 20, power supply output module 60 and phase-amplitude regulating circuit 80.
Phase-amplitude regulating circuit 80 is connected between main control circuit 20 and power supply output module 60, for phase place, the amplitude of the output voltage of the working signal regulating load 40 that receives according to main control circuit 20.
Power supply output module 60 is connected respectively with load 40 with phase-amplitude regulating circuit 80, for providing operating voltage according to the output voltage of the load 40 after regulating to load 40.
In this embodiment, the output voltage of the working signal regulating load 40 of the load 40 issuing according to master chip by phase-amplitude regulating circuit 80, make power supply output module 60 to load 40, provide operating voltage according to the load output voltage after regulating rather than the actual output voltage of load 40, can be when load 40 duties change, by regulating load output voltage, change loaded work piece voltage, without power supply output module 60 output HIGH voltage all in real time, reduced the power consumption of air conditioner.
Preferably, working signal comprises high-pressure work signal and operating on low voltage signal, when main control circuit 20 receives high-pressure work signal, also be that load is need to be operated in high pressure conditions time, phase-amplitude regulating circuit 80 reduces the output voltage of load 40, now power supply output module 60 is thought provides the too low output voltage of load 40 that causes of operating voltage to reduce to load 40, thereby can improve the operating voltage of load 40, to load 40, provides working voltage.When main control circuit 20 receives operating on low voltage signal, also be that load is need to be operated in low-pressure state time, the output voltage of phase-amplitude regulating circuit 80 rising loads 40, now power supply output module 60 is thought provides the too high output voltage of load 40 that causes of operating voltage to raise to load 40, thereby can reduce the operating voltage of load 40, to load 40, provide work low pressure.
Fig. 2 is according to the wiring schematic diagram of the control circuit of the air conditioner of the embodiment of the present invention, and as shown in Figure 2, this control circuit comprises main control circuit, power supply output module and phase-amplitude regulating circuit.Wherein, power supply output module comprises Voltage stabilizing module, voltage changing module, power supply chip and optocoupler.
The first end of the second voltage stabilizing diode D2 of phase-amplitude regulating circuit is connected with the first end of the first voltage stabilizing diode D1, the second end of the second voltage stabilizing diode D2 is via the 6th resistance R 6 and the 7th resistance R 7 ground connection, between the 6th resistance R 6 and the 7th resistance R 7, be provided with Section Point, Section Point is connected to the first input end of optocoupler, wherein, at the first end of the first voltage stabilizing diode D1 and the first end of the second voltage stabilizing diode D2, be provided with first node, first node is connected to the output terminal of power supply output module, the second input end grounding of optocoupler.The first end of the first switching tube Q1 is connected to the second end of the first voltage stabilizing diode D1 via the first resistance R 1, the second end of the first switching tube Q1 is connected to the second end of the second voltage stabilizing diode D2.The first end ground connection of second switch pipe Q2, the second end is connected to the 3rd end of the first switching tube Q1 via the second resistance R 2.The first end ground connection of the 3rd switching tube Q3, the second end is connected to the 3rd end of second switch pipe Q2 via the 3rd resistance R 3, the second end of the 3rd switching tube Q3 is connected to power supply via the 4th resistance R 4 simultaneously, and the 3rd end of the 3rd switching tube Q3 is connected to main control circuit 20 via the 5th resistance R 5.
Wherein, the first switching tube Q1, second switch pipe Q2 and the 3rd switching tube Q3 are triode, but are not limited only to triode components and parts.
In this embodiment, in load power source circuit, add new approaches, can give corresponding loaded work piece according to the corresponding different voltage of the different operating State-output of air conditioner, at the optocoupler input end of power supply output module, add a phase-amplitude regulating circuit.When main control circuit receives standby, different loads (can comprise lamp, sweep wind turbine, PG motor etc.) working signal, phase-amplitude regulating circuit changes optocoupler input signal by regulation voltage phase place, voltage magnitude, set up the new relation between load and feedback, and now switching power source chip does not update to new relation, think that load output is now very high or very low, thereby reduce or rising load, reach according to the object of loaded work piece status adjustment loaded work piece voltage.
Phase place, the amplitude of phase regulating circuit module regulating load output voltage, make to set up between load output voltage and operating voltage new relation, and switching power source chip in power supply output module is not updated to new relation, still according to the old regulating load operating voltage that is related to, reach the object of regulating load operating voltage, the method can be called " deception chip " method, wherein, load comprises pattern lamp, PG motor and sweeps wind turbine etc., the various loads of air conditioner operation.
The principle of work of this control circuit: when current load needs operating on low voltage, main control circuit sends a signal to phase-amplitude regulating circuit, phase-amplitude regulating circuit receives after signal, regulation voltage phase place, amplitude, make load output voltage be increased to 5V from 1V, make to set up between load output voltage and operating voltage new relation, suppose that now loaded work piece voltage is 12V, between load output voltage and operating voltage, new relation is 5: 12, and between load output voltage and operating voltage, old pass is 1: 12.It is 5V that switching power source chip now detects load output voltage, it still thinks old relation, it thinks that loaded work piece voltage has now reached 60V, exceeded original 12V, thereby regulate, loaded work piece lower voltage, thereby reached the object that reduces loaded work piece voltage, power supply output module is exported suitable voltage to loaded work piece.
When current load needs high-pressure work, main control circuit sends a signal to phase-amplitude regulating circuit, phase-amplitude regulating circuit receives after signal, regulation voltage phase place, amplitude, make load output voltage be increased to 1V from 5V, make to set up new relation between load output voltage and operating voltage, suppose that now loaded work piece voltage is 12V, between load output voltage and operating voltage, new relation is 1: 12, and between load output voltage and operating voltage, old pass is 5: 12.It is 1V that switching power source chip now detects load output voltage, it still thinks old relation, it thinks to only have 2.4V loaded work piece voltage now, lower than original 12V, thereby regulate, loaded work piece voltage is raise, thereby reached the object of rising loaded work piece voltage, power supply output module is exported suitable voltage to loaded work piece.
Wherein, in phase-amplitude regulating circuit, mainly by the break-make of triode, control amplitude and the phase place of voltage, regulate the size of feedback voltage (optocoupler input), particularly, phase regulating circuit mainly regulates the variation of phase place and the amplitude of optocoupler input voltage by the turn-off time of opening of triode in conjunction with the first stabilivolt D1 and the second stabilivolt D2.The variation range of load voltage can be controlled at about 7.5V between 12V.
In this embodiment, power supply output module can adopt circuit as shown in Figure 3, the phase-amplitude regulating circuit that the part in Fig. 3 in dotted line frame provides for this embodiment.It should be noted that, the physical circuit of the power supply output module shown in Fig. 3, is only a kind of signal explanation of power supply output module, and the phase-amplitude regulating circuit that this embodiment provides is not limited in the power supply output module shown in Fig. 3 and matches.
Adopt the control circuit of the air conditioner that this embodiment provides, phase-amplitude regulating circuit forms simple, and cost is low.
Fig. 4 is according to the wiring schematic diagram of the control circuit of the air conditioner of second embodiment of the invention, and as shown in Figure 4, this control circuit comprises main control circuit, power supply output module and phase-amplitude regulating circuit.Wherein, power supply output module comprises Voltage stabilizing module, voltage changing module, power supply chip and optocoupler.
The first end of the phase comparator U1 of phase-amplitude regulating circuit is connected to the output terminal of power supply output module via the 9th resistance R 9 and the 8th resistance R 8, between the 8th resistance R 8 and the 9th resistance R 9, be provided with the 3rd node, the 3rd node is connected to the first input end of optocoupler, between phase comparator U1 and the 9th resistance R 9, be provided with the 4th node, the 4th node is connected to the second input end of optocoupler, the second end ground connection of phase comparator U1.
The first end of the 4th switching tube Q4 is connected to the 4th node via the tenth resistance R 10 and the first capacitor C 1, simultaneously, the first end of the 4th switching tube Q4 is connected between the 8th resistance R 8 and the output terminal of power supply output module via the 16 resistance R 16, the second end of the 4th switching tube Q4 is connected with the 3rd end of phase comparator U1 by by the 13 resistance R 13 ground connection, between the first end of the 4th switching tube Q4 and the second end of the 4th switching tube Q4, is connected with the 12 resistance R 12.
The first end ground connection of the 5th switching tube Q5, the second end is connected with the 3rd end of the 4th switching tube Q4 via the 17 resistance R 17, simultaneously, the second end of the 5th switching tube Q5 is connected between the 8th resistance R 8 and the output terminal of power supply output module via the 15 resistance R 15, the 3rd end of the 5th switching tube Q5 is connected to main control circuit, between the 3rd end of the 5th switching tube Q5 and main control circuit, the 5th node is set, the 5th node is via the 16 resistance R 16 ground connection.
Shown in the principle of this control circuit and Fig. 2, the principle of control circuit is basic identical, repeat no more herein, difference is not to be to regulate by stabilivolt, but by phase comparator TL431, carry out the output voltage of regulating load, thereby the phase regulating circuit in this embodiment can make the variation range of load voltage more extensive.
Need explanation time, the present invention is not limited to the phase-amplitude regulating circuit shown in Fig. 2 or Fig. 4, all components and parts and circuit that can play control phase amplitude should all comprise in the present invention.
Fig. 5 is according to the process flow diagram of the control method of the air conditioner of the embodiment of the present invention, and as shown in Figure 5, the method comprises that following step S102 is to step S108:
Step S102: the working signal of the load that reception air conditioner master chip issues, this working signal represents that load need to be operated in high pressure or low pressure.
Step S104: the output voltage that detects air conditioner load.
Step S106: according to the output voltage of the working signal regulating load receiving.
Step S108: provide operating voltage to load according to the output voltage after regulating.
In this embodiment, first according to the output voltage of the working signal regulating load of load, and then while providing operating voltage to load, according to the load output voltage after regulating rather than the actual output voltage of load, thereby because the output voltage of feedback changes the operating voltage that changes load, can, when loaded work piece state variation, change in real time loaded work piece voltage, without power supply, supply in real time high voltage, reduced the power consumption of air conditioner.
Preferably, working signal comprises high-pressure work signal and operating on low voltage signal, when master receives high-pressure work signal, also be that load is need to be operated in high pressure conditions time, reduce the output voltage of load, now power supply output is thought provides the too low output voltage of load that causes of operating voltage to reduce to load, thereby can improve the operating voltage of load, to load, provides working voltage.When receiving operating on low voltage signal, also be that load is need to be operated in low-pressure state time, the output voltage of rising load, now power supply output is thought provides the too high output voltage of load that causes of operating voltage to raise to load, thereby can reduce the operating voltage of load, to load, provide work low pressure.
From above description, can find out, the present invention has realized following technique effect: between main control circuit and power supply output module, increase phase-amplitude regulating circuit, utilize phase-amplitude regulating circuit according to the output voltage of load actual working state regulating load, make power supply output module to load, provide operating voltage according to the load output voltage after regulating rather than the actual output voltage of load, can be when loaded work piece state variation, by regulating load output voltage, change loaded work piece voltage, without Switching Power Supply output HIGH voltage all in real time, reduced the power consumption of air conditioner.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. a control circuit for air conditioner, is characterized in that, comprising:
Main control circuit, is connected with the first end of air conditioner load, for detection of the output voltage of described load and receive the working signal of the described load that described air conditioner master chip sends;
Phase-amplitude regulating circuit, is connected with described main control circuit, for regulate the output voltage of described load according to described working signal; And
Power supply output module, first end is connected with described phase-amplitude regulating circuit, and the second end of described power supply output module is connected with the second end of described load, for providing operating voltage according to the load output voltage after regulating to described load.
2. the control circuit of air conditioner according to claim 1, is characterized in that, described working signal comprises high-pressure work signal and operating on low voltage signal, wherein,
When described main control circuit receives described high-pressure work signal, described phase-amplitude regulating circuit reduces the output voltage of described load, so that described power supply output module provides working voltage to described load;
When described main control circuit receives described operating on low voltage signal, described phase-amplitude regulating circuit improves the output voltage of described load, so that described power supply output module provides work low pressure to described load.
3. the control circuit of air conditioner according to claim 1, is characterized in that, described power supply output module comprises optocoupler, and described phase-amplitude regulating circuit comprises:
The first voltage stabilizing diode (D1);
The second voltage stabilizing diode (D2), first end is connected with the first end of described the first voltage stabilizing diode (D1), the second end of described the second voltage stabilizing diode (D2) is connected to the first input end of described optocoupler, wherein, at the first end of described the first voltage stabilizing diode (D1) and the first end of described the second voltage stabilizing diode (D2), be provided with first node, described first node is connected to the output terminal of described power supply output module, the second input end grounding of described optocoupler;
The first switching tube (Q1), first end is connected to the second end of described the first diode (D1), and the second end of described the first switching tube (Q1) is connected to the second end of described the second voltage stabilizing diode (D2);
Second switch pipe (Q2), first end ground connection, the second end is connected to the 3rd end of described the first switching tube (Q1); And
The 3rd switching tube (Q3), first end ground connection, the second end is connected to the 3rd end of described second switch pipe (Q2), and the second end of described the 3rd switching tube (Q3) is connected to power supply simultaneously, and the 3rd end of described the 3rd switching tube (Q3) is connected to described main control circuit.
4. the control circuit of air conditioner according to claim 3, it is characterized in that, described phase-amplitude regulating circuit also comprises: the first resistance (R1), the second resistance (R2), the 3rd resistance (R3), the 4th resistance (R4), the 5th resistance (R5), the 6th resistance (R6) and the 7th resistance (R7), wherein
The first end of described the first switching tube (Q1) is connected to the second end of described the first diode (D1) via described the first resistance (R1);
The second end of described second switch pipe (Q2) is connected to the 3rd end of described the first switching tube (Q1) via described the second resistance (R2);
The second end of described the 3rd switching tube (Q3) is connected to the 3rd end of described second switch pipe (Q2) via described the 3rd resistance (R3), the second end of described the 3rd switching tube (Q3) is connected to described power supply via described the 4th resistance (R4) simultaneously, and the 3rd end of described the 3rd switching tube (Q3) is connected to described main control circuit via described the 5th resistance (R5); And
The second end of described the second voltage stabilizing diode (D2) is via described the 6th resistance (R6) and described the 7th resistance (R7) ground connection, between described the 6th resistance (R6) and described the 7th resistance (R7), be provided with Section Point, described Section Point is connected to the first input end of described optocoupler.
5. the control circuit of air conditioner according to claim 1, is characterized in that, described power supply output module comprises optocoupler, and described phase-amplitude regulating circuit comprises:
The 8th resistance (R8);
The 9th resistance (R9), first end is connected with the first end of described the 8th resistance (R8), wherein, between the first end of the first end of described the 8th resistance (R8) and described the 9th resistance (R9), be provided with the 3rd node, described the 3rd node is connected to the first input end of described optocoupler;
Phase comparator (U1), first end is connected to the second end of described the 9th resistance (R9), the second end ground connection of described phase comparator (U1), between the first end of described phase comparator (U1) and the second end of described the 9th resistance (R9), be provided with the 4th node, described the 4th node is connected to the second input end of described optocoupler;
The first electric capacity (C1), first end is connected to described the 4th node;
The 4th switching tube (Q4), first end is connected with the second end of described the first electric capacity (C1), simultaneously, the first end of described the 4th switching tube (Q4) is connected with the second end of described the 8th resistance (R8), ground connection after the second end of described the 4th switching tube (Q4) is connected with the 3rd end of described phase comparator (U1);
The 5th switching tube (Q5), first end ground connection, the second end is connected with the 3rd end of described the 4th switching tube (Q4), simultaneously, the second end of described the 5th switching tube (Q5) is connected with the second end of described the 8th resistance (R8), and the 3rd end of described the 5th switching tube (Q5) is connected to described main control circuit.
6. the control circuit of air conditioner according to claim 5, it is characterized in that, described phase-amplitude regulating circuit also comprises: the tenth resistance (R10), the 11 resistance (R11), the 12 resistance (R12), the 13 resistance (R13), the 14 resistance (R14), the 15 resistance (R15) and the 16 resistance (R16), wherein
The first end of described the 4th switching tube (Q4) is connected with the second end of described the first electric capacity via described the tenth resistance (R10);
The first end of described the 4th switching tube (Q4) is connected with the second end of described the 8th resistance (R8) via described the 11 resistance (R11);
Between the first end of described the 4th switching tube (Q4) and the second end of described the 4th switching tube (Q4), be connected with described the 12 resistance (R12);
The second end of described the 4th switching tube (Q4) is connected with the 3rd end of described phase comparator (U1) by by described the 13 resistance (R13) ground connection;
The second end of described the 5th switching tube (Q5) is connected with the 3rd end of described the 4th switching tube (Q4) via described the 14 resistance (R14);
The second end of described the 5th switching tube (Q5) is connected with the second end of described the 8th resistance (R8) via described the 15 resistance (R15); And
Between the 3rd end of described the 5th switching tube (Q5) and described main control circuit, the 5th node is set, described the 5th node is via described the 16 resistance (R16) ground connection.
7. according to the control circuit of the air conditioner described in claim 4 or 6, it is characterized in that, the switching tube in described phase-amplitude regulating circuit is triode.
8. an air conditioner, is characterized in that, comprises the control circuit of the air conditioner described in any one in claim 1 to 7.
9. a control method for air conditioner, comprising: the working signal that receives the load of air conditioner master chip transmission;
Detect the output voltage of described load;
According to the working signal receiving, regulate described output voltage; And
According to the output voltage after regulating, to described load, provide operating voltage.
10. the control method of air conditioner according to claim 9, it is characterized in that, described working signal comprises high-pressure work signal and operating on low voltage signal, wherein, according to the working signal receiving, regulate described output voltage and to described load, provide operating voltage to comprise according to the output voltage after regulating:
When receiving described high-pressure work signal, reduce described output voltage and to described load, provide working voltage according to the output voltage after regulating; And
When receiving described operating on low voltage signal, improve described output voltage and to described load, provide work low pressure according to the output voltage after regulating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210256079.5A CN103576564B (en) | 2012-07-23 | 2012-07-23 | Air conditioner and control circuit and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210256079.5A CN103576564B (en) | 2012-07-23 | 2012-07-23 | Air conditioner and control circuit and control method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103576564A true CN103576564A (en) | 2014-02-12 |
| CN103576564B CN103576564B (en) | 2016-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210256079.5A Active CN103576564B (en) | 2012-07-23 | 2012-07-23 | Air conditioner and control circuit and control method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110701733A (en) * | 2019-10-11 | 2020-01-17 | 广东美的制冷设备有限公司 | Power supply circuit control method, power supply circuit and air conditioner |
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| CN2251111Y (en) * | 1996-01-21 | 1997-04-02 | 常州市华科空调器厂 | Voltage regulator for air conditioner and air conditioner with voltage regulator |
| US20040027105A1 (en) * | 2002-08-08 | 2004-02-12 | Koji Nakamura | Drive apparatus for PWM control of two inductive loads with reduced generation of electrical noise |
| CN2630715Y (en) * | 2003-06-24 | 2004-08-04 | 黄加玉 | Energy-saving air-conditioner and air-exhaust fan control device |
| CN201893979U (en) * | 2010-12-14 | 2011-07-06 | 厦门玛司特电子工业有限公司 | High-power efficient constant-current light-emitting diode (LED) driver |
| CN202710963U (en) * | 2012-07-23 | 2013-01-30 | 珠海格力电器股份有限公司 | Air conditioner and control circuit thereof |
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2012
- 2012-07-23 CN CN201210256079.5A patent/CN103576564B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2251111Y (en) * | 1996-01-21 | 1997-04-02 | 常州市华科空调器厂 | Voltage regulator for air conditioner and air conditioner with voltage regulator |
| US20040027105A1 (en) * | 2002-08-08 | 2004-02-12 | Koji Nakamura | Drive apparatus for PWM control of two inductive loads with reduced generation of electrical noise |
| CN2630715Y (en) * | 2003-06-24 | 2004-08-04 | 黄加玉 | Energy-saving air-conditioner and air-exhaust fan control device |
| CN201893979U (en) * | 2010-12-14 | 2011-07-06 | 厦门玛司特电子工业有限公司 | High-power efficient constant-current light-emitting diode (LED) driver |
| CN202710963U (en) * | 2012-07-23 | 2013-01-30 | 珠海格力电器股份有限公司 | Air conditioner and control circuit thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110701733A (en) * | 2019-10-11 | 2020-01-17 | 广东美的制冷设备有限公司 | Power supply circuit control method, power supply circuit and air conditioner |
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| CN103576564B (en) | 2016-04-13 |
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